Summary and Implications
Fifteen years of closeout performance data was summarized to monitor trends in average daily gain and feed efficiency. Daily gain improved approximately 1% per year over the time period 1988–2002. Feed conversion improved approximately _ of 1% per year over the same time period.
Iowa State University
Loy, Daniel D.
"State of Iowa Feedlot Summary 15 Years of Benchmarking Feedlot Performance,"
Animal Industry Report:
AS 650, ASL R1890.
Available at: http://lib.dr.iastate.edu/ans_air/vol650/iss1/49